Brake Pad Thermal Decay And Ablation Problems
There is a problem of thermal decay and ablation of brake pads.Hot recession refers to brake or the brake disc temperature rise to a certain extent, the braking effect is decreased, and even the failure phenomenon (which is pretty dangerous, car and all stop which don't go to heaven, so the critical temperature of thermal recession is very important), obvious feeling is soft brake foot, again how the brake effect is not obvious.Different thermal recession temperature of the brake pads are different, original brake pad is in commonly 250 ℃ to 280 ℃, and good brakes at
least above 350 ℃, which is more safety you can imagine.
When the temperature of the brake strength continues to increase with time, continue to rise, then the brake pads internal material chemical changes will occur, causing molecular structure changes which affect braking effect, this is called ablation.The symptom of ablation is the appearance of a mirror on the surface of the skin, which is the structure of the high temperature crystallization of the brake material after the ablation.After the cooling of the thermal recession, the brake pads will naturally return to the braking capacity, but the ablation is different, it is not recoverable.Brake block one but the ablation of the brake capacity almost completely loss, for the safety must be handled immediately, the situation light sandpaper sanding, heavy can only be replaced.